error: parse attribute is not allowed for subcommand --> $DIR/subcommand_and_parse.rs:16:24 | 16 | #[clap(subcommand, parse(from_occurrences))] | ^^^^^ error[E0277]: the trait bound `MakeCookie: std::convert::From` is not satisfied --> $DIR/subcommand_and_parse.rs:11:10 | 11 | #[derive(Clap, Debug)] | ^^^^ the trait `std::convert::From` is not implemented for `MakeCookie`